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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - mingw-w64: std::wcout after _setmode(_fileno(stdout), _O_WTEXT) doesn't work"
href="https://bugs.llvm.org/show_bug.cgi?id=47302">47302</a>
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<th>Summary</th>
<td>mingw-w64: std::wcout after _setmode(_fileno(stdout), _O_WTEXT) doesn't work
</td>
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<th>Product</th>
<td>libc++
</td>
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<th>Version</th>
<td>10.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>nguyen.long.908132@gmail.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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<p>
<div>
<pre>Take this code snippet:
#include <iostream>
#include <io.h>
#include <fcntl.h>
int wmain(int argc, const wchar_t* argv[])
{
_setmode(_fileno(stdout), _O_WTEXT);
std::wcout << L"Thử nghiệm\n";
return 0;
}
On MS STL, this correctly outputs the string, but on libc++ it outputs nothing.
Additional notes:
Add -municode when compiling with clang, and add /utf-8 when compiling with
MSVC</pre>
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